My toddler *seems* to be pretty far ahead when it comes to language and memory (though I don't have much to compare him to!) Feel free to correct me if I am wrong.
At 26 months he is speaking in complete sentences (8 words or so) with adjectives (often 2 in a row), prepositions, past tense and will correct himself if he first says the wrong tense. A typical sentence for him is "Mommy dropped the plate on the floor and broke it." He has just started answering "why" questions with "because..." or even "it's because..."
Beyond that his memory seems incredible to me. Not just memorizing stories and rhymes like I think a lot of toddlers do when they hear them a lot, but he'll remember that he played with a particular toy somewhere he has only been once 3 months ago (even though we never talked about the toy since). Yesterday we drove down a street he's only been on once or twice, but it's a back way to our old condo (moved 3 month ago). As we came to the intersection (on "new" road approaching "old familiar" road--very little to see but trees) he said "We are going to drive right by condo." We were still 3 turns away from the condo--.5 mile or so.
Anyway, feel free to give opinions on if this is or is not remarkable, but really I am curious if this is likely a sign of overall giftedness or just early language skills likely to "even out" as he gets older. He isn't doing anything else I see that would make me think "gifted", but his language and memory blow me away sometimes!